Force Pump

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Related to Force Pump: lift pump

force pump

[′fȯrs ‚pəmp]
(mechanical engineering)
A pump fitted with a solid plunger and a suction valve which draws and forces a liquid to a considerable height above the valve or puts the liquid under a considerable pressure.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Force Pump


a device in the fuel feed system of a diesel engine that combines a high-pressure fuel pump and the nozzle part of an injector; it is used to inject the fuel directly into the combustion chamber of the engine. The combination of the pump and the injector into a single unit provides a significant reduction in the volume of fuel contained between the plunger of the pump and the orifices in the spray tip of the atomizer, thus minimizing distortion of the flow rate. Such distortions in a subdivided fuel feed system result from the compressibility of fuel and from pressure variations in the system.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The machine is typical of this class of triple expansion engine, with lift pumps below the floor driven by rods from the cross-head and force pumps driven from the end of the crankshaft.
Linking it back will take a long time, unless an external force pumps in money.
Seven of the articles are devoted to marine archaeology on topics that include Roman force pumps, Phoenician shipwrecks, and the port of Cosa.

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